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Finding the Fourth Proportional to 480,653.82, 663,306.60 and 265,808.34

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Solution

The fourth proportional to 480,653.82, 663,306.60 and 265,808.34 is: 366,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,653.82 : 663,306.60 = 265,808.34 : x
  2. Step 2: Convert to fraction form
    480,653.82/663,306.60 = 265,808.34/x
  3. Step 3: Cross multiply
    480,653.82x = 663,306.60 × 265,808.34
  4. Step 4: Simplify right side
    480,653.82x = 176,312,426,257.04
  5. Step 5: Solve for x
    x = 176,312,426,257.04/480,653.82
  6. Step 6: Final answer
    x = 366,817.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.